Keystones — Bedrock
Five GCSE retrieval questions · 13 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 47
Answer: 18 + 47 = 65 -
2. Algebra Substitution
If x = 3, find the value of 2x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 12, 8, 9, 5, 2
Answer: 7.2